Nocturnal leg cramps, or nighttime leg cramps, are sudden, involuntary muscle contractions that often affect the calves, thighs, or feet during rest. While their exact cause is unclear, factors like dehydration, prolonged sitting or standing, overexertion, and medical conditions such as diabetes may contribute. Occasional cramps are normal, but frequent or severe episodes, especially with swelling or redness, warrant medical attention to rule out underlying issues like nutrient deficiencies or circulatory problems.

Immediate relief can be found through stretching, massaging, or applying heat or ice to the affected area. Home remedies like staying hydrated, consuming potassium-rich foods, and taking Epsom salt baths can help prevent cramps. Regular stretching, a balanced diet, and lifestyle changes such as exercise and stress reduction are key to long-term prevention. If cramps persist, consulting a healthcare professional is advisable to address potential underlying causes and improve overall well-being.